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Disclosery

GROUP ONE TRADING LLC: NAK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on NAK, newest first. How the timeline and the estimate are built.

GROUP ONE TRADING LLC held 527,538 NAK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 527,538 shares
    Change vs previous 13F +105,679 shares

    0.03% of the 13F portfolio, value $1,012,873.

    13F-HR 0000932540-26-000011 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 421,859 shares
    Change vs previous 13F -268,331 shares

    0.02% of the 13F portfolio, value $590,603.

    13F-HR 0000932540-26-000005 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 690,190 shares
    Change vs previous 13F +510,172 shares

    0.04% of the 13F portfolio, value $1,359,674.

    13F-HR 0000932540-26-000002 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 180,018 shares
    Change vs previous 13F -416,417 shares

    0.01% of the 13F portfolio, value $216,022.

    13F-HR 0000932540-25-000040 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 596,435 shares
    Change vs previous 13F -159,744 shares

    0.03% of the 13F portfolio, value $799,223.

    13F-HR 0000932540-25-000034 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 756,179 shares
    Change vs previous 13F +472,248 shares

    0.04% of the 13F portfolio, value $869,606.

    13F-HR 0000932540-25-000027 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F/A 283,931 shares
    Change vs previous 13F +43,122 shares

    0.01% of the 13F portfolio, value $165,106.

    13F-HR/A 0000932540-25-000028 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 240,809 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $79,828.

    13F-HR 0000932540-24-000015 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).